Capital costs of static equipment including pressure vessels, heat exchangers and process columns contribute approx. 20 to 40% of cost of total plant. Static equipment is being designed and manufactured based on international codes, standards and statutory legal requirements. Selection of appropriate equipment construction code fulfilling ambient conditions, equipment design temperatures and country specific regulations has significant implications on cost effectiveness and required safety of process plant. This paper presents basic criteria for selection of ASME Sec. VIII or EN-13445 for equipment design and construction based on design temperature, ambient conditions and country specific legal requirements like PED 2014/68/EU and TRCU 032/2013. Effect of change of elevated temperature and material on weight of equipment is also demonstrated by example. Material selection based on corrosion aspects is not included in this paper.

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